.world-canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  background: #f5f5f5;
  min-height: 100vh;
}

.toolbar {
  display: flex;
  gap: 20px;
  align-items: center;
  background: white;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.toolbar button {
  padding: 8px 16px;
  border: 2px solid #e0e0e0;
  background: white;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}

.toolbar button:hover:not(:disabled) {
  border-color: #4ecdc4;
  background: #f0f9f8;
}

.toolbar button.active {
  border-color: #4ecdc4;
  background: #4ecdc4;
  color: white;
}

.toolbar button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.toolbar select {
  padding: 8px 12px;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  background: white;
  font-size: 14px;
}

.toolbar select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.status {
  padding: 8px 16px;
  background: #f8f9fa;
  border-radius: 6px;
  font-size: 14px;
  color: #666;
  border: 1px solid #e9ecef;
}

.world-canvas {
  border: 2px solid #ddd;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  background: white;
  cursor: crosshair;
}

.world-canvas:hover {
  border-color: #4ecdc4;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .toolbar {
    flex-direction: column;
    gap: 10px;
  }
  
  .tool-group {
    justify-content: center;
  }
  
  .world-canvas {
    width: 100%;
    max-width: 100%;
    height: auto;
  }
}